Les wrote: > Yes, Solaris is Unix, and runs on x86 and lots of other architectures. > As to the big machines in really cold rooms, most modern desktops have > more power than the early Unix systems did. In 1972 a 10Mb disk was > huge. I worked on a 40Mb disk which had air pumps, pnumatic pistons to > drive the heads and ran at 3600 RPM with platters that were about 20" in > diameter if I remember right. Are you sure they were pneumatic? When I worked on those types of disk systems in the 70's they were hydraulic.